Atmosphere similarity patterns in boreal summer show an increase of persistent weather conditions connected to hydro-climatic risks.

ABSTRACT: Recent studies have shown that hydro-climatic extremes have increased significantly in number and intensity in the last decades. In the Northern Hemisphere such events were often associated with long lasting persistent weather patterns. In 2018, hot and dry conditions prevailed for several months over Central Europe leading to record-breaking temperatures and severe harvest losses. The underlying circulation processes are still not fully understood and there is a need for improved methodologies to detect and quantify persistent weather conditions. Here, we propose a new method to detect, compare and quantify persistence through atmosphere similarity patterns by applying established image recognition methods to day to day atmospheric fields. We find that persistent weather patterns have inc

SUBMITTER: Hoffmann P 

PROVIDER: S-EPMC8613183 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature